/*
 * Copyright 2006 Mat Gessel <mat.gessel@gmail.com>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package asquare.gwt.tk.client.ui.commands;

import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.TextBoxBase;

/**
 * Selects all the text in a widget. 
 * 
 * @see com.google.gwt.user.client.DeferredCommand#add(com.google.gwt.user.client.Command)
 */
public class SelectAllCommand implements Command
{
	private final TextBoxBase m_textBox;
	
	public SelectAllCommand(TextBoxBase textBox)
	{
		m_textBox = textBox;
	}
	
	public void execute()
	{
		String text = m_textBox.getText();
		int length = (text != null) ? text.length() : 0;
		if (length > 0 && m_textBox.getSelectionLength() < length)
		{
			m_textBox.setSelectionRange(0, length);
		}
	}
}
